Adjustable computer keyboard



FIG. 1 is a top front and side perspective view of an adjustable computer keyboard showing our new design;

FIG. 2 is a top front and side perspective view thereof showing a second arrangement wherein a bifurcated QWERTY keyboard portion is spaced apart from a numerical keypad portion;

FIG. 3 is a front view of the bifurcated QWERTY keyboard portion thereof shown separately for clarity of illustration only;

FIG. 4 is a right side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a front view of the numerical keypad portion thereof shown separately for clarity of illustration only;

FIG. 10 is a right side view thereof;

FIG. 11 is a rear view thereof;

FIG. 12 is a left side view thereof;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom plan view thereof.

The broken lines are shown in the views for illustrative purposes only and form no part of the claimed design and the cord is shown broken away to show an indeterminate length. 

The ornamental design for an adjustable computer keyboard, as shown and described. 